updated docs about airplay 2 support

doc/multiroom.md

@@ -2,10 +2,10 @@
 
 ## Airplay
 
-Originally, Airplay wasn't designed for multiroom applications. Apple now used Airplay 2 
-(there are no open source implementations of this!) for multiroom audio.
-However, even the "normal" Airplay can be used to stream to multiple endpoints. The bad news:
-this doesn't work from your iPhone or iPad, but only from iTunes.  
+Originally, Airplay wasn't designed for multiroom applications which changed when Apple
+introduced Airplay 2. The included [shairport](https://github.com/mikebrady/shairport-sync)
+open source implementation uses Airplay 2 and should let your HifiBerry work as Airplay
+speaker from any iOS device.
 
 ## LMS / squeezelite
 
@@ -15,15 +15,15 @@ and the configuration (especially with plugins) can be a bit challenging, have a
 
 ## Snapcast
 
-Snapcast is an open-source multiroom client-server audio player, where all clients are time synchronized with the server 
-to play perfectly synced audio. It's not a standalone player, but an extension that turns your existing audio player 
-into a Sonos-like multiroom solution. You can find the official repository at 
+Snapcast is an open-source multiroom client-server audio player, where all clients are time synchronized with the server
+to play perfectly synced audio. It's not a standalone player, but an extension that turns your existing audio player
+into a Sonos-like multiroom solution. You can find the official repository at
 [github.com/badaix/snapcast](https://github.com/badaix/snapcast).
 
 ## Roon
 
 This is the "luxury" multiroom solutions. While Roon, isn't cheap, the sound quality is great and
-it has very powerful multiroom capabilities. From the Roon client on the mobile phone (or on your PC), 
-you  can easily hand an audio session over from one room to another. You can also group multiple 
+it has very powerful multiroom capabilities. From the Roon client on the mobile phone (or on your PC),
+you  can easily hand an audio session over from one room to another. You can also group multiple
 endpoints to stream the same audio synchronized to multiple endpoints.
 

doc/services.md

@@ -2,7 +2,7 @@
 
 The following services are currently supported on HiFiBerryOS:
 
-* Airplay 1
+* Airplay 1 and 2
 * Analog input on DAC+ ADC
 * Bluetooth
 * mpd
@@ -12,10 +12,9 @@ The following services are currently supported on HiFiBerryOS:
 * Snapcast (not on the Raspberry Pi Zero)
 
 
-## Airplay 1
+## Airplay 1 and 2
 
-Shairport-sync implements support for the older Airplay 1 protocol. This is still supported til today. Airplay 2 offers 
-some additional features is not supported.
+Shairport-sync implements support for Airplay 1 and 2.
 
 ## Analog input
 
@@ -37,11 +36,11 @@ Roon is a high-end music player. It uses a proprietary protocol. Therefore, the
 
 ## Spotifyd
 
-Spotifyd implements a Spotify connect receiver. 
+Spotifyd implements a Spotify connect receiver.
 
 ## Squeezelite
 
-Squeezelite implements the Logitech Squeezebox protocol enabling the system to connect to a Logitech Media Server. MPRIS support is implemented separataly by lms-mpris. 
+Squeezelite implements the Logitech Squeezebox protocol enabling the system to connect to a Logitech Media Server. MPRIS support is implemented separataly by lms-mpris.
 
 ## Snapcast